<script setup>
import {Delete, Plus} from "@element-plus/icons-vue";
import {onMounted, reactive, ref} from "vue";
import {httpGet, httpPost} from "@/utils/http.js";
import {ElMessage} from "element-plus";
import {copyObj, removeArrayItem} from "@/utils/libs.js";
import {Sortable} from "sortablejs";
import Compressor from "compressorjs";
import {MdPreview} from 'md-editor-v3';
import {useSharedStore} from "@/store/sharedata.js";

const store = useSharedStore()

const showDialog = ref(false)
const childBorder = ref(true)
const tableData = ref([])
const role = ref({context: []})
const formRef = ref(null)
const optTitle = ref('')
const loading = ref(true)

const rules = reactive({
  name: [{required: true, message: '请输入用户名', trigger: 'blur',}],
  key: [{required: true, message: '请输入应用标识', trigger: 'blur',}],
  icon: [{required: true, message: '请输入应用图标', trigger: 'blur',}],
  sort: [
    {required: true, message: '请输入排序数字', trigger: 'blur'},
    {type: 'number', message: '请输入有效数字'},
  ],
  hello_msg: [{required: true, message: '请输入打招呼信息', trigger: 'change',}]
})

// 应用类型
const appTypes = ref([])
// 语言模型
const models = ref([])
// 上下文角色
const messageRole = ref(['system', 'user', 'assistant'])

onMounted(() => {
  fetchData()
  // 获取模型数据
  httpGet('api/admin/model/list?enable=1').then(res => {
    models.value = res.data
  }).catch(e => {
    ElMessage.error('获取AI模型数据失败：' + e.message)
  })
  // 获取应用分类数据
  httpGet('api/admin/app/type/list?enable=1').then(res => {
    appTypes.value = res.data
  }).catch(e => {
    ElMessage.error('获取应用分类数据失败：' + e.message)
  })
})

const fetchData = () => {
  // 获取应用列表
  httpGet('api/admin/role/list').then(res => {
    tableData.value = res.data
    loading.value = false
  }).catch(e => {
    ElMessage.error('获取聊天应用失败：' + e.message)
  })

  // 初始化拖动排序组件
  const drawBodyWrapper = document.querySelector('.el-table__body tbody')
  Sortable.create(drawBodyWrapper, {
    sort: true,
    animation: 500,
    onEnd({newIndex, oldIndex, from}) {
      if (oldIndex === newIndex) {
        return
      }
      const sortData = Array.from(from.children).map(row => row.querySelector('.sort').getAttribute('data-id'))
      const ids = []
      const sorts = []
      sortData.forEach((id, index) => {
        ids.push(parseInt(id))
        sorts.push(index + 1)
        tableData.value[index].sort_num = index + 1
      })

      httpPost('api/admin/role/sort', {ids: ids, sorts: sorts}).catch(e => {
        ElMessage.error('排序失败：' + e.message)
      })
    }
  })
}

// 修改指定字段的值
const roleSet = (filed, row) => {
  httpPost('api/admin/role/set', {id: row.id, filed: filed, value: row[filed]}).then(() => {
    ElMessage.success('操作成功！')
  }).catch(e => {
    ElMessage.error('操作失败：' + e.message)
  })
}

// 修改应用角色打开弹框
// 记录当前要编辑行的索引
const curIndex = ref(0)
const rowEdit = (index, row) => {
  optTitle.value = '修改应用'
  curIndex.value = index
  role.value = copyObj(row)
  showDialog.value = true
}

// 添加应用角色打开弹框
const addRole = () => {
  optTitle.value = '添加新应用'
  role.value = {context: []}
  showDialog.value = true
}


// 添加或者修改应用角色信息
const save = () => {
  formRef.value.validate((valid) => {
    if (valid) {
      httpPost('api/admin/role/saveOrUpdate', role.value).then(() => {
        ElMessage.success('操作成功')
        fetchData()
        showDialog.value = false
      }).catch(e => {
        ElMessage.error('操作失败：' + e.message)
      })
    }
  })
}

// 删除一条应用角色信息
const removeRole = (row) => {
  httpGet('api/admin/role/remove?id=' + row.id).then(() => {
    ElMessage.success('删除成功')
    // 移除表格中删除的数据
    tableData.value = removeArrayItem(tableData.value, row, (v1, v2) => {
      return v1.id === v2.id
    })
  }).catch(e => {
    ElMessage.error('删除失败：' + e.message)
  })
}

// 添加一行上下文信息
const addContext = () => {
  if (!role.value.context) {
    role.value.context = []
  }
  role.value.context.push({role: '', content: ''})
}

// 删除一行上下文信息
const removeContext = (index) => {
  role.value.context.splice(index, 1)
}

// 图片上传
const uploadImg = (file) => {
  // 压缩图片上传
  new Compressor(file.file, {
    quality: 0.6,
    success(result) {
      const formData = new FormData()
      formData.append('file', result, result.name)
      // 执行上传操作
      httpPost('api/admin/file/upload', formData).then(res => {
        role.value.icon = res.data.url
        ElMessage.success('上传成功')
      }).catch(e => {
        ElMessage.error('上传失败：' + e.message)
      })
    },
    error(error) {
      ElMessage.error('上传失败：' + error.message)
    }
  })
}

const isGenerating = ref(false)
const metaPrompt = ref('')
// 生成提示词
const generatePrompt = (row) => {
  if (metaPrompt.value === '') {
    return ElMessage.error('请输入元提示词')
  }

  isGenerating.value = true
  httpPost('api/admin/prompt/meta', {prompt: metaPrompt.value}).then(res => {
    row.content = res.data
    isGenerating.value = false
  }).catch(e => {
    ElMessage.error('生成失败：' + e.message)
    isGenerating.value = false
  })
}
</script>

<template>
  <div class="container role-list" v-loading="loading">
    <div class="handle-box">
      <el-button type="primary" :icon="Plus" @click="addRole">新增</el-button>
    </div>
    <el-row>
      <el-table :data="tableData" border>
        <el-table-column type="expand">
          <template #default="props">
            <div>
              <el-table :data="props.row.context" :border="childBorder">
                <el-table-column label="对话应用" prop="role" width="120"/>
                <el-table-column label="对话内容">
                  <template #default="{ row }">
                    <MdPreview :theme="store.theme" style="padding: 10px" codeTheme="atom" previewTheme="vuepress" editorId="preview-only"
                               :modelValue="row.content"/>
                  </template>
                </el-table-column>
                <!--                <el-table-column label="对话内容" prop="content" />-->
              </el-table>
            </div>
          </template>
        </el-table-column>
        <el-table-column label="应用名称" prop="name">
          <template #default="scope">
          <span class="sort" :data-id="scope.row.id">
            <i class="iconfont icon-drag"></i>
            {{ scope.row.name }}
          </span>
          </template>
        </el-table-column>
        <el-table-column label="应用类型" prop="type_name"/>
        <el-table-column label="应用标识" prop="key"/>
        <el-table-column label="绑定模型" prop="model_name"/>
        <el-table-column label="启用状态">
          <template #default="scope">
            <el-switch v-model="scope.row['enable']" @change="roleSet('enable',scope.row)"/>
          </template>
        </el-table-column>
        <el-table-column label="应用图标">
          <template #default="scope">
            <el-image :src="scope.row.icon" style="width: 45px; height: 45px; border-radius: 50%"/>
          </template>
        </el-table-column>
        <el-table-column label="打招呼信息" prop="hello_msg"/>
        <el-table-column label="操作" width="150">
          <template #default="scope">
            <el-button size="small" type="primary" @click="rowEdit(scope.$index,scope.row)">编辑</el-button>
            <el-popconfirm title="确定要删除当前应用吗？" @confirm="removeRole(scope.row)" :width="200">
              <template #reference>
                <el-button size="small" type="danger">删除</el-button>
              </template>
            </el-popconfirm>
          </template>
        </el-table-column>
      </el-table>
    </el-row>
    <el-dialog v-model="showDialog" :title="optTitle" :close-on-click-modal="false" width="50%">
      <el-form :model="role" label-width="120px" ref="formRef" label-position="left" :rules="rules">
        <el-form-item label="应用名称：" prop="name">
          <el-input v-model="role.name" autocomplete="off"/>
        </el-form-item>
        <el-form-item label="应用分类：" prop="tid">
          <el-select v-model="role.tid" filterable placeholder="请选择分类" clearable>
            <el-option v-for="item in appTypes" :key="item.id" :label="item.name" :value="item.id"/>
          </el-select>
        </el-form-item>
        <el-form-item label="应用标志：" prop="key">
          <el-input v-model="role.key" autocomplete="off"/>
        </el-form-item>
        <el-form-item label="应用图标：" prop="icon">
          <el-input v-model="role.icon">
            <template #append>
              <el-upload :auto-upload="true" :show-file-list="false" :http-request="uploadImg">上传</el-upload>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item label="绑定模型：" prop="model_id">
          <el-select v-model="role.model_id" filterable placeholder="请选择模型" clearable>
            <el-option v-for="item in models" :key="item.id" :label="item.name" :value="item.id"/>
          </el-select>
        </el-form-item>
        <el-form-item label="打招呼信息：" prop="hello_msg">
          <el-input v-model="role.hello_msg" autocomplete="off"/>
        </el-form-item>
        <el-form-item label="上下文信息：" prop="context">
          <template #default>
            <el-table :data="role.context" :border="childBorder" size="small">
              <el-table-column label="对话应用" width="120">
                <template #default="scope">
                  <el-select v-model="scope.row.role" placeholder="Role">
                    <el-option v-for="value in messageRole" :key="value" :label="value" :value="value"/>
                  </el-select>
                </template>
              </el-table-column>
              <el-table-column label="对话内容">
                <template #header>
                  <div class="context-msg-key">
                    <span>对话内容</span>
                    <span class="fr">
                    <el-button type="primary" @click="addContext">
                      <el-icon><Plus/></el-icon>
                      增加一行
                    </el-button>
                  </span>
                  </div>
                </template>
                <template #default="scope">
                  <div class="context-msg-content">
                    <el-input type="textarea" :rows="3" v-model="scope.row.content" autocomplete="off"
                              v-loading="isGenerating"/>
                    <span class="remove-item">
                    <el-tooltip effect="dark" content="删除当前行" placement="right">
                      <el-button circle type="danger" size="small">
                        <el-icon @click="removeContext(scope.$index)"><Delete/></el-icon>
                      </el-button>
                    </el-tooltip>
                    <el-popover placement="right" :width="400" trigger="click">
                      <template #reference>
                        <el-button type="primary" circle size="small" class="icon-btn">
                          <i class="iconfont icon-linggan"></i>
                        </el-button>
                      </template>
                      <el-input type="textarea" :rows="3" v-model="metaPrompt" autocomplete="off"
                                placeholder="请您输入要 AI实现的目标，任务或者需要AI扮演的角色？"/>
                      <el-row class="text-line">
                        <el-text type="info" size="small">使用 AI 生成 System 预设指令</el-text>
                        <el-button class="generate-btn" size="small" @click="generatePrompt(scope.row)" color="#5865f2"
                                   :disabled="isGenerating">
                          <i class="iconfont icon-chuangzuo"></i>
                          <span>立即生成</span>
                        </el-button>
                      </el-row>
                    </el-popover>
                  </span>
                  </div>
                </template>
              </el-table-column>
            </el-table>
          </template>
        </el-form-item>
        <el-form-item label="启用状态：">
          <el-switch v-model="role.enable"/>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="showDialog = false">取消</el-button>
          <el-button type="primary" @click="save">提交</el-button>
        </span>
      </template>
    </el-dialog>
  </div>
</template>

<style lang="stylus" scoped>
.role-list {
  .handle-box {
    margin-bottom 20px

    .handle-input {
      max-width 150px;
      margin-right 10px;
    }
  }

  .opt-box {
    padding-bottom: 10px;
    display flex;
    justify-content flex-end

    .el-icon {
      margin-right 5px;
    }
  }

  .context-msg-key {
    .fr {
      float right

      .el-icon {
        margin-right 5px
      }
    }
  }

  .context-msg-content {
    display flex

    .remove-item {
      display flex
      padding 10px
      flex-flow column
      align-items center
      justify-content center

      .icon-btn {
        margin 10px 0 0 0
      }
    }

  }

  .el-input--small {
    width 30px;

    .el-input__inner {
      text-align center
    }
  }

  .sort {
    cursor move

    .iconfont {
      position relative
      top 1px
    }
  }

  .pagination {
    padding 20px 0
    display flex
    justify-content right
  }
}

.text-line {
  display flex
  justify-content space-between
  padding-top 10px

  .iconfont {
    margin-right 5px
    font-size 14px
  }
}
</style>